+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   C/2012 V1 (PANSTARRS) Classification: Comet          SPK-ID: 1003219 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456251.5 (2012-Nov-20.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9998364454560302 0.0003218   a 12778.88960799202 25148 AU q 2.090045462275146 0.00091017 AU i 157.8411766971534 0.0017516 deg node 85.37350992023536 0.0055753 deg peri 123.3051020872142 0.028183 deg M 359.9998338753146 0.00049041 deg tp 2456494.983634216799 (2013-Jul-21.48363422) 0.040524 JED period 527640477.3193776 1444600.90 1.5575e+09 4.264e+06 d yr n 6.822827578144543E-7 2.014e-06 deg/d Q 25555.68917052176 50292 AU   Orbit Determination Parameters    # obs. used (total)      87      data-arc span      65 days      first obs. used      2012-11-03      last obs. used      2013-01-07      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      fit RMS      .61354      data source      ORB      producer      Otto Matic      solution date      2013-Jan-13 16:50:31   Additional Information  Earth MOID = 1.1628 AU   T_jup = -1.660  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes comet total magnitude M1 11.5 mag 0.5 8 from 48 observations, assumed slope, autocmod 2.5b comet total magnitude slope K1 11.   n/a 8 autocmod 2.5b comet nuclear magnitude M2 15.0 mag 0.4 8 from 20 observations, autocmod 2.5b comet nuclear magnitude slope K2 5.   n/a 8 autocmod 2.5b comet nuclear phase coefficient PC 0.03   n/a 8 autocmod 2.5b [ show close-approach data ] Alternate Designations  Perihelion  Year (est.)  New-Style  Desig Roman  Numeral  Year/  Letter   2013.6   C/2012 V1        [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-May-22 21:45 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin